Rotten Roof Joists

You want to cut about 6 inches past where the rot ends just to make sure no more moisture will get through.

Rotten roof joists.

There s lots of different methods for repairing or replacing rotten joists but the one we decided to go with was to install wall plate. If your home has wood siding examine the siding around and beneath the windows for signs of swelling or discoloration. Pressure treated stuff won t let the water flow through the wood as well as straight regular wood. Cut the rotten spot out.

Why i didn t choose a scarf joint joist repair a few reasons added up. The best thing to do is mark your joists that are to be removed. This part can be a little hard depending on what wood you are working with. Paint can hide wood rot so poke the siding with the tip of the.

Just to be safe we re going to cut the joists at least 4 inches away from the rotten spots. This will make sure that dry rot that isn t visible won t sneak up on you. Wood rotting from the inside out compromises the structural integrity of the rafter. Basically the idea is to cut the ends off and affix a new piece of timber to the wall.

Rotted wood rafters in a roof are a serious issue. Then just cut off the marked joists. You can go for 6 inches if you have space.